Last updated: September 16, 2026
Quick answer: One US cup is about 237 milliliters. To change cups into milliliters, multiply by 236.6. So 2 cups is about 473 mL.
Cup (US) to Milliliter
Instantly convert cup (us) to milliliter with fast, accurate, real-time results.
First, which cup?
This matters more than you'd think. This page uses the US customary cup, which is 236.6 mL. A metric cup (used in Australia and some recipes) is 250 mL, and an old UK cup is different again. If your recipe is American, you're in the right place.
Baking amounts you'll actually use
Most recipes call for the same handful of amounts, so here they are worked out. Multiply cups by 236.6 to get milliliters, or just read them off this chart.
| Cups | Milliliters |
|---|---|
| 1/4 cup | about 59 mL |
| 1/3 cup | about 79 mL |
| 1/2 cup | about 118 mL |
| 2/3 cup | about 158 mL |
| 3/4 cup | about 177 mL |
| 1 cup | about 237 mL |
| 2 cups | about 473 mL |
A tip for dry ingredients
Cups measure volume, which is great for liquids like milk or water. For dry things like flour, a cup can vary depending on how you scoop it, so a kitchen scale in grams gives you a more reliable result. For liquids, though, cups to milliliters is exact.
Common questions
How many mL are in a cup?
One US cup is 236.6 mL, which most people round to 237 mL.
How do I convert cups to mL?
Multiply the number of cups by 236.6. For example, 2 cups × 236.6 = about 473 mL.
How many mL is half a cup?
Half a US cup is about 118 mL.
Is a US cup the same as a metric cup?
No. A US cup is 236.6 mL, while a metric cup is 250 mL, so check which one your recipe uses.
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Shakeel Muzaffar is the Founder and Editor-in-Chief of MultiCalculators.com, bringing over 15 years of experience in digital publishing, product strategy, and online tool development. He leads the platform's editorial vision, ensuring every calculator meets strict standards for accuracy, usability, and real-world value. Shakeel personally oversees content quality, formula verification workflows, and the platform's commitment to publishing tools that are genuinely useful for students, professionals, and everyday users worldwide.
